@mixin social-button($color) {
    background: $color;
    color: color(white);
  
    &:hover {
      background: darken($color, 10%);
    }
  
    &.btn-link {
      background: none;
      color: $color;
  
      &:hover {
        color: darken($color, 10%);
      }
    }
}
@mixin button-inverse-variant($color, $color-hover: $white) {
    color: $color;
    background-color: rgba($color, 0.2);
    background-image: none;
    border-color: rgba($color, 0);
    @include hover {
      color: $color-hover;
      background-color: $color;
      border-color: $color;
    }
  
    &.focus,
    &:focus {
      box-shadow: 0 0 0 3px rgba($color, .5);
    }
  
    &.disabled,
    &:disabled {
      color: $color;
      background-color: transparent;
    }
  
    &.active,
    &:active,
    .show > &.dropdown-toggle {
      color: $color-hover;
      background-color: $color;
      border-color: $color;
    }
}
@mixin button-gradient-variant($background) {
    background: $background;
    border: 0;
    color: $white;
    &:not([disabled]):not(.disabled):active,
    &:not([disabled]):not(.disabled).active,
    .show > &.dropdown-toggle {
      background: $background;
    }
}